81193675

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1607}}^1$

素因数の和:1707

約数の個数: 24

約数和(自身を含む): 105278976

約数和(自身を除く): 24085301

約数列:

[1, 5, 25, 43, 47, 215, 235, 1075, 1175, 1607, 2021, 8035, 10105, 40175, 50525, 69101, 75529, 345505, 377645, 1727525, 1888225, 3247747, 16238735, 81193675]

約数ペア:

[(1, 81193675), (5, 16238735), (25, 3247747), (43, 1888225), (47, 1727525), (215, 377645), (235, 345505), (1075, 75529), (1175, 69101), (1607, 50525), (2021, 40175), (8035, 10105)]